import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import User from '../components/user/User.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'
Vue.use(VueRouter)

const router = new VueRouter({
        // mode: 'history',
        routes: [
            { path: '/', redirect: '/login' },
            { path: '/login', component: Login },
            {
                path: '/home',
                component: Home,
                redirect: '/welcome',
                children: [
                    { path: '/welcome', component: Welcome },
                    { path: '/users', component: User },
                    { path: '/rights', component: Rights },
                    { path: '/roles', component: Roles },
                    { path: '/categories', component: Cate },
                    { path: '/params', component: Params },
                    { path: '/goods', component: List },
                    { path: '/goods/add', component: Add },
                    { path: '/orders', component: Order },
                    { path: '/reports', component: Report },
                ]
            }
        ]
    })
    // 挂载路由导航守卫
router.beforeEach((to, form, next) => {
    // to 将要访问的路劲
    // form 从哪个路劲跳转过来的
    // next 是一个函数 代表放行
    // next() 放行  next("/login") 强制跳转到哪个页面
    if (to.path === '/login') return next()
    const tokenstr = sessionStorage.getItem('token')
    if (!tokenstr) return next('/login')
    next()
})
export default router